Submission #974696

#	Time	Username	Problem	Language	Result	Execution time	Memory
974696		vjudge1	Trol (COCI19_trol)	C++17	50 / 50	1 ms	348 KiB

trol

#include <bits/stdc++.h>
using namespace std;

int main() {
    int q;
    unsigned long long l, r, res = 0;
    cin >> q;
    while (q--) {
        cin >> l >> r;
        unsigned long long quo, rem, tmp;
        quo = (r-l+1)/9;
        rem = (r-l+1)%9;
        tmp = (l-1)%9+1;
        res = 45*quo;
        while (rem--) {
            res += tmp;
            tmp++;
            tmp = (tmp-1)%9+1;
        }
        cout << res << endl;
    }
    return 0;
}

• Subtask 1: 50 / 50